Drawer Arrow Drawable（meun-icon-to-back-arrow）使用，仿知乎菜单栏界面

package com.example.ldrawertest; import com.example.ldrawerlibrary.ActionBarDrawerToggle; import com.example.ldrawerlibrary.DrawerArrowDrawable; import android.annotation.SuppressLint; import android.app.ActionBar; import android.app.Activity; import android.content.Intent; import android.content.res.Configuration; import android.net.Uri; import android.os.Bundle; import android.support.v4.widget.DrawerLayout; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; public class MainActivity extends Activity { private DrawerLayout mDrawerLayout; private ListView mDrawerList; private ActionBarDrawerToggle mDrawerToggle; private DrawerArrowDrawable drawerArrow; private boolean drawerArrowColor; @SuppressLint("NewApi") @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); //得到1个actionbar ActionBar ab = getActionBar(); // 给左上角图标的左侧加上1个返回的图标 ab.setDisplayHomeAsUpEnabled(true); //必须通过调用setHomeButtonEnabled(true)方法确保这个图标能够作为1个操作项 ab.setHomeButtonEnabled(true); mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); //抽屉侧栏的布局，为1个listView mDrawerList = (ListView) findViewById(R.id.navdrawer); //创建DrawerArrow drawerArrow = new DrawerArrowDrawable(this) { @Override public boolean isLayoutRtl() { return false; } }; /* * ActionBarDrawerToggle 是 DrawerLayout.DrawerListener实现。 和 NavigationDrawer 搭配使用，推荐用这个方法，符合Android design规范。 作用： 1.改变android.R.id.home返回图标。 2.Drawer拉出、隐藏，带有android.R.id.home动画效果。 3.监听Drawer拉出、隐藏； */ //动作条抽屉切换器将抽屉与app icon动作条绑定正确交互。 mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, drawerArrow, R.string.drawer_open, R.string.drawer_close) { //当抽屉关闭时 public void onDrawerClosed(View view) { super.onDrawerClosed(view); /* * getActivity().invalidateOptionsMenu(); * 在运行时改变menu item的状态。你需要重写onPrepareOptionsMenu() ， * 它方便你对item移除，添加，使不可用等。在android 3.0以上， * 你必须调用invalidateOptionsMenu() 。 * */ invalidateOptionsMenu(); } //当抽屉打开时 public void onDrawerOpened(View drawerView) { super.onDrawerOpened(drawerView); invalidateOptionsMenu(); } }; //设置监听drawer切换 mDrawerLayout.setDrawerListener(mDrawerToggle); //该方法会自动和actionBar关联, 将开关的图片显示在了action上，如果不设置，也能够有抽屉的效果，不过是默许的图标 mDrawerToggle.syncState(); //设置LDrawer填充内容，通过Adapter填充 String[] values = new String[]{ " 用户名", " 发现", " 关注", " 收藏", " 草稿", " 发问", " 设置" }; ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, android.R.id.text1, values); mDrawerList.setAdapter(adapter); //抽屉侧栏设置点击事件 mDrawerList.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { switch (position) { case 0: mDrawerToggle.setAnimateEnabled(false);//设置停止或开启动画 drawerArrow.setProgress(1f);//设置普通菜单图标模式 break; case 1: mDrawerToggle.setAnimateEnabled(false); drawerArrow.setProgress(0f);//设置返回箭头模式 break; case 2: mDrawerToggle.setAnimateEnabled(true); mDrawerToggle.syncState(); break; case 3: if (drawerArrowColor) { drawerArrowColor = false; // drawerArrow.setColor(R.color.ldrawer_color);//设置色彩 } else { drawerArrowColor = true; // drawerArrow.setColor(R.color.drawer_arrow_second_color); } mDrawerToggle.syncState(); break; case 4: Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("https://github.com/IkiMuhendis/LDrawer")); startActivity(browserIntent); break; case 5: Intent share = new Intent(Intent.ACTION_SEND); share.setType("text/plain"); share.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); share.putExtra(Intent.EXTRA_SUBJECT, getString(R.string.app_name)); share.putExtra(Intent.EXTRA_TEXT, getString(R.string.app_description) + " " + "GitHub Page : https://github.com/IkiMuhendis/LDrawer " + "Sample App : https://play.google.com/store/apps/details?id=" + getPackageName()); startActivity(Intent.createChooser(share, getString(R.string.app_name))); break; case 6: String appUrl = "https://play.google.com/store/apps/details?id=" + getPackageName(); Intent rateIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(appUrl)); startActivity(rateIntent); break; } } }); } //菜单键点的事件处理 @Override public boolean onOptionsItemSelected(MenuItem item) { if (item.getItemId() == android.R.id.home) { if (mDrawerLayout.isDrawerOpen(mDrawerList)) { mDrawerLayout.closeDrawer(mDrawerList); } else { mDrawerLayout.openDrawer(mDrawerList); } } return super.onOptionsItemSelected(item); } //activity创完成后 @Override protected void onPostCreate(Bundle savedInstanceState) { super.onPostCreate(savedInstanceState); mDrawerToggle.syncState(); } //配置改变时 @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); mDrawerToggle.onConfigurationChanged(newConfig); } }